Home / 238,864.08-358,072.56-80,981.04

Finding the Fourth Proportional to 238,864.08, 358,072.56 and 80,981.04

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Solution

The fourth proportional to 238,864.08, 358,072.56 and 80,981.04 is: 121,395.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,864.08 : 358,072.56 = 80,981.04 : x
  2. Step 2: Convert to fraction form
    238,864.08/358,072.56 = 80,981.04/x
  3. Step 3: Cross multiply
    238,864.08x = 358,072.56 × 80,981.04
  4. Step 4: Simplify right side
    238,864.08x = 28,997,088,304.26
  5. Step 5: Solve for x
    x = 28,997,088,304.26/238,864.08
  6. Step 6: Final answer
    x = 121,395.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.